Finding the Fourth Proportional to 1,649.12, 2,468.52 and 916.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,649.12 : 2,468.52 = 916.34 : x
2. Step 2: Convert to fraction form
   1,649.12/2,468.52 = 916.34/x
3. Step 3: Cross multiply
   1,649.12x = 2,468.52 × 916.34
4. Step 4: Simplify right side
   1,649.12x = 2,262,003.62
5. Step 5: Solve for x
   x = 2,262,003.62/1,649.12
6. Step 6: Final answer
   x = 1,371.64